Question

Given below is a table of various stimuli and responses that occur in plants and animals.
The stimulus is given at the bottom row and the response is given in the top row. The “chain of events” which lead to the response is given in the middle row. For each stimulus, identify the chain of events and the final response and choose the option which has the correct answer.
One example has been done for you, it is shown by a connecting line.

• A. S1 – 21- 15 – 8 – 4 - R6
  S2 – 24 – 13 – 10 – 2 – R2
  S3 - 19 – 14 – 9 – 5 – R3
  S5 – 23 – 16 – 11 – 6 – R1
  S6 – 22 – 17- 7 -3 – R5
• B. S1 – 22- 17 – 8 – 4 - R6
  S2 – 23 – 15 – 10 – 2 – R2
  S3 - 19 – 14– 9 – 5 – R3
  S5 – 21 – 16 – 11 – 6 – R1
  S6 – 24 – 13- 7 -3 – R5
• C. S1 – 24- 15 – 8 – 4 - R6
  S2 – 23 – 13 – 10 – 2 – R2
  S3 - 22– 14 – 9 – 5 – R3
  S5 – 19 – 16 – 11 – 6 – R1
  S6 – 21 – 17- 7 -3 – R5
• D. S1 – 21- 15 – 10 – 4 - R6
  S2 – 24 – 13 – 9 – 2 – R2
  S3 - 19 – 14 – 8– 5 – R3
  S5 – 23 – 16 – 11 – 6 – R1
  S6 – 22 – 17- 7 -3 – R5

Answer 1

The correct option is A

S1 – 21- 15 – 8 – 4 - R6
S2 – 24 – 13 – 10 – 2 – R2
S3 - 19 – 14 – 9 – 5 – R3
S5 – 23 – 16 – 11 – 6 – R1
S6 – 22 – 17- 7 -3 – R5